A 12-year-old boy and a 69-year-old man have died following an early morning fire in Flatbush, Brooklyn.

The residential fire broke out before 2 a.m. Monday on Linden Boulevard between Bedford and Flatbush Avenues.

Three other people and five firefighters were sent to the hospital to be treated.

At least one of the firefighters has serious injuries. The cause of the fire is not yet clear.

The victims' names have not been released.